Sydney’s grunge look is a clear departure from her signature style. The star often opts for Cali-girl staples with a sultry twist - as demonstrated by her latest Instagram post.

The actress has previously talked about her preference for vintage pieces and sustainable fashion. Most recently, Katie stepped out in a cozy and layered ensemble, which consisted of a white top ...

With this effortless look, the British It-girl tapped into the grunge glam aesthetic that is ... by a carefree mindset and edgy, Y2K-inspired fashion - which the It-girl always manages to nail.